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Question

For the reaction: Cl2(g)+3F2(g)2ClF3(g); ΔH=329 kJ, dissociation of ClF3(g) will be favoured by:

A
Increasing the temperature
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B
Decreasing the volume of the container
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C
Addition of F2 gas
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D
Addition of inert gas at constant pressure
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Solution

The correct option is A Increasing the temperature
For the reaction,
Cl2(g)+3F2(g)2ClF3(g); ΔH=329 kJ, the dissociation of ClF3 occur when the equilibrium shifts towards left.
As it is an exothermic reaction, then increasing the temperature will the equilibrium shifts towards left.

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